The Resonant Vibration Fracture Characteristics of Al-xZn Alloy and Mg-xAl-Zn Alloy


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Both Al-Zn alloy and Mg-Al-Zn alloy have been considered as high damping and light materials. For practical use, this study investigated the effects of the structure and the composition on the vibration fracture characteristics of the Al-xZn alloy and the Mg-xAl-Zn alloy under resonance. For Al-xZn (x=7, 11, 49, 83wt%) alloys, under both constant force and initial-deflection conditions, the 7Zn showed the greatest vibration life. For Mg-xAl-Zn (x=3, 6, 9wt%) alloys, experimental results indicate that the AZ31-F as-extruded samples showed a greater vibration life, while high Al fully-annealed samples (AZ91-O) had greater vibration fracture resistance under constant force conditions.



Edited by:

N. Igata and S. Takeuchi






F. Y. Hung et al., "The Resonant Vibration Fracture Characteristics of Al-xZn Alloy and Mg-xAl-Zn Alloy", Key Engineering Materials, Vol. 319, pp. 95-102, 2006

Online since:

September 2006




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DOI: 10.1002/crat.2170200223

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